488 lines
20 KiB
Scheme
488 lines
20 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2013 Mark H Weaver <mhw@netris.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix scripts build)
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#:use-module (guix ui)
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#:use-module (guix store)
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#:use-module (guix derivations)
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#:use-module (guix packages)
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#:use-module (guix utils)
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#:use-module (guix monads)
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#:use-module (guix gexp)
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#:use-module (ice-9 format)
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#:use-module (ice-9 match)
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#:use-module (ice-9 vlist)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-11)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-37)
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#:autoload (gnu packages) (specification->package %package-module-path)
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#:autoload (guix download) (download-to-store)
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#:export (%standard-build-options
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set-build-options-from-command-line
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set-build-options-from-command-line*
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show-build-options-help
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guix-build))
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(define (register-root store paths root)
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"Register ROOT as an indirect GC root for all of PATHS."
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(let* ((root (string-append (canonicalize-path (dirname root))
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"/" root)))
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(catch 'system-error
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(lambda ()
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(match paths
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((path)
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(symlink path root)
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(add-indirect-root store root))
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((paths ...)
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(fold (lambda (path count)
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(let ((root (string-append root
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"-"
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(number->string count))))
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(symlink path root)
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(add-indirect-root store root))
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(+ 1 count))
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0
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paths))))
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(lambda args
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(leave (_ "failed to create GC root `~a': ~a~%")
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root (strerror (system-error-errno args)))))))
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(define (package-with-source store p uri)
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"Return a package based on P but with its source taken from URI. Extract
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the new package's version number from URI."
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(define (numeric-extension? file-name)
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;; Return true if FILE-NAME ends with digits.
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(string-every char-set:hex-digit (file-extension file-name)))
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(define (tarball-base-name file-name)
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;; Return the "base" of FILE-NAME, removing '.tar.gz' or similar
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;; extensions.
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;; TODO: Factorize.
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(cond ((numeric-extension? file-name)
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file-name)
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((string=? (file-extension file-name) "tar")
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(file-sans-extension file-name))
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(else
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(tarball-base-name (file-sans-extension file-name)))))
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(let ((base (tarball-base-name (basename uri))))
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(let-values (((name version)
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(package-name->name+version base)))
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(package (inherit p)
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(version (or version (package-version p)))
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(source (download-to-store store uri))))))
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;;;
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;;; Standard command-line build options.
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;;;
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(define (show-build-options-help)
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"Display on the current output port help about the standard command-line
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options handled by 'set-build-options-from-command-line', and listed in
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'%standard-build-options'."
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(display (_ "
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-L, --load-path=DIR prepend DIR to the package module search path"))
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(display (_ "
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-K, --keep-failed keep build tree of failed builds"))
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(display (_ "
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-n, --dry-run do not build the derivations"))
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(display (_ "
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--fallback fall back to building when the substituter fails"))
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(display (_ "
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--no-substitutes build instead of resorting to pre-built substitutes"))
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(display (_ "
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--no-build-hook do not attempt to offload builds via the build hook"))
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(display (_ "
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--max-silent-time=SECONDS
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mark the build as failed after SECONDS of silence"))
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(display (_ "
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--timeout=SECONDS mark the build as failed after SECONDS of activity"))
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(display (_ "
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--verbosity=LEVEL use the given verbosity LEVEL"))
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(display (_ "
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-c, --cores=N allow the use of up to N CPU cores for the build"))
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(display (_ "
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-M, --max-jobs=N allow at most N build jobs")))
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(define (set-build-options-from-command-line store opts)
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"Given OPTS, an alist as returned by 'args-fold' given
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'%standard-build-options', set the corresponding build options on STORE."
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;; TODO: Add more options.
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(set-build-options store
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#:keep-failed? (assoc-ref opts 'keep-failed?)
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#:build-cores (or (assoc-ref opts 'cores) 0)
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#:max-build-jobs (or (assoc-ref opts 'max-jobs) 1)
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#:fallback? (assoc-ref opts 'fallback?)
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#:use-substitutes? (assoc-ref opts 'substitutes?)
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#:use-build-hook? (assoc-ref opts 'build-hook?)
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#:max-silent-time (assoc-ref opts 'max-silent-time)
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#:timeout (assoc-ref opts 'timeout)
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#:print-build-trace (assoc-ref opts 'print-build-trace?)
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#:verbosity (assoc-ref opts 'verbosity)))
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(define set-build-options-from-command-line*
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(store-lift set-build-options-from-command-line))
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(define %standard-build-options
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;; List of standard command-line options for tools that build something.
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(list (option '(#\L "load-path") #t #f
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(lambda (opt name arg result . rest)
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;; XXX: Imperatively modify the search paths.
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(%package-module-path (cons arg (%package-module-path)))
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(set! %load-path (cons arg %load-path))
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(set! %load-compiled-path (cons arg %load-compiled-path))
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(apply values (cons result rest))))
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(option '(#\K "keep-failed") #f #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'keep-failed? #t result)
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rest)))
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(option '("fallback") #f #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'fallback? #t
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(alist-delete 'fallback? result))
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rest)))
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(option '("no-substitutes") #f #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'substitutes? #f
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(alist-delete 'substitutes? result))
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rest)))
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(option '("no-build-hook") #f #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'build-hook? #f
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(alist-delete 'build-hook? result))
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rest)))
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(option '("max-silent-time") #t #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'max-silent-time (string->number* arg)
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result)
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rest)))
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(option '("timeout") #t #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'timeout (string->number* arg) result)
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rest)))
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(option '("verbosity") #t #f
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(lambda (opt name arg result . rest)
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(let ((level (string->number arg)))
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(apply values
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(alist-cons 'verbosity level
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(alist-delete 'verbosity result))
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rest))))
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(option '(#\c "cores") #t #f
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(lambda (opt name arg result . rest)
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(let ((c (false-if-exception (string->number arg))))
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(if c
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(apply values (alist-cons 'cores c result) rest)
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(leave (_ "not a number: '~a' option argument: ~a~%")
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name arg)))))
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(option '(#\M "max-jobs") #t #f
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(lambda (opt name arg result . rest)
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(let ((c (false-if-exception (string->number arg))))
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(if c
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(apply values (alist-cons 'max-jobs c result) rest)
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(leave (_ "not a number: '~a' option argument: ~a~%")
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name arg)))))))
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;;;
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;;; Command-line options.
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;;;
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(define %default-options
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;; Alist of default option values.
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`((system . ,(%current-system))
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(graft? . #t)
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(substitutes? . #t)
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(build-hook? . #t)
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(print-build-trace? . #t)
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(max-silent-time . 3600)
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(verbosity . 0)))
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(define (show-help)
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(display (_ "Usage: guix build [OPTION]... PACKAGE-OR-DERIVATION...
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Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
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(display (_ "
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-e, --expression=EXPR build the package or derivation EXPR evaluates to"))
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(display (_ "
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-S, --source build the packages' source derivations"))
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(display (_ "
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--sources[=TYPE] build source derivations; TYPE may optionally be one
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of \"package\", \"all\" (default), or \"transitive\""))
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(display (_ "
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-s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\""))
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(display (_ "
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--target=TRIPLET cross-build for TRIPLET--e.g., \"armel-linux-gnu\""))
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(display (_ "
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--with-source=SOURCE
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use SOURCE when building the corresponding package"))
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(display (_ "
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--no-grafts do not graft packages"))
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(display (_ "
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-d, --derivations return the derivation paths of the given packages"))
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(display (_ "
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-r, --root=FILE make FILE a symlink to the result, and register it
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as a garbage collector root"))
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(display (_ "
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--log-file return the log file names for the given derivations"))
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(newline)
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(show-build-options-help)
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(newline)
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(display (_ "
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-h, --help display this help and exit"))
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(display (_ "
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-V, --version display version information and exit"))
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(newline)
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(show-bug-report-information))
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(define %options
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;; Specifications of the command-line options.
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(cons* (option '(#\h "help") #f #f
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(lambda args
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(show-help)
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(exit 0)))
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(option '(#\V "version") #f #f
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(lambda args
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(show-version-and-exit "guix build")))
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(option '(#\S "source") #f #f
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(lambda (opt name arg result)
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(alist-cons 'source #t result)))
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(option '("sources") #f #t
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(lambda (opt name arg result)
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(match arg
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("package"
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(alist-cons 'source #t result))
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((or "all" #f)
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(alist-cons 'source package-direct-sources result))
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("transitive"
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(alist-cons 'source package-transitive-sources result))
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(else
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(leave (_ "invalid argument: '~a' option argument: ~a, ~
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must be one of 'package', 'all', or 'transitive'~%")
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name arg)))))
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(option '(#\s "system") #t #f
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(lambda (opt name arg result)
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(alist-cons 'system arg
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(alist-delete 'system result eq?))))
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(option '("target") #t #f
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(lambda (opt name arg result)
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(alist-cons 'target arg
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(alist-delete 'target result eq?))))
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(option '(#\d "derivations") #f #f
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(lambda (opt name arg result)
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(alist-cons 'derivations-only? #t result)))
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(option '(#\e "expression") #t #f
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(lambda (opt name arg result)
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(alist-cons 'expression arg result)))
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(option '(#\n "dry-run") #f #f
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(lambda (opt name arg result)
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(alist-cons 'dry-run? #t result)))
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(option '(#\r "root") #t #f
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(lambda (opt name arg result)
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(alist-cons 'gc-root arg result)))
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(option '("log-file") #f #f
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(lambda (opt name arg result)
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(alist-cons 'log-file? #t result)))
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(option '("with-source") #t #f
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(lambda (opt name arg result)
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(alist-cons 'with-source arg result)))
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(option '("no-grafts") #f #f
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(lambda (opt name arg result)
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(alist-cons 'graft? #f
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(alist-delete 'graft? result eq?))))
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%standard-build-options))
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(define (options->derivations store opts)
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"Given OPTS, the result of 'args-fold', return a list of derivations to
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build."
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(define package->derivation
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(match (assoc-ref opts 'target)
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(#f package-derivation)
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(triplet
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(cut package-cross-derivation <> <> triplet <>))))
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(define src (assoc-ref opts 'source))
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(define sys (assoc-ref opts 'system))
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(define graft? (assoc-ref opts 'graft?))
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(parameterize ((%graft? graft?))
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(let ((opts (options/with-source store
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(options/resolve-packages store opts))))
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(concatenate
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(filter-map (match-lambda
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(('argument . (? package? p))
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(match src
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(#f
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(list (package->derivation store p sys)))
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(#t
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(let ((s (package-source p)))
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(list (package-source-derivation store s))))
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(proc
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(map (cut package-source-derivation store <>)
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(proc p)))))
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(('argument . (? derivation? drv))
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(list drv))
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(('argument . (? derivation-path? drv))
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(list (call-with-input-file drv read-derivation)))
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(('argument . (? store-path?))
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;; Nothing to do; maybe for --log-file.
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#f)
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(_ #f))
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opts)))))
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(define (options/resolve-packages store opts)
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"Return OPTS with package specification strings replaced by actual
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packages."
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(define system
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(or (assoc-ref opts 'system) (%current-system)))
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(map (match-lambda
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(('argument . (? string? spec))
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(if (store-path? spec)
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`(argument . ,spec)
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`(argument . ,(specification->package spec))))
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(('expression . str)
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(match (read/eval str)
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((? package? p)
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`(argument . ,p))
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((? procedure? proc)
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(let ((drv (run-with-store store
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(mbegin %store-monad
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(set-guile-for-build (default-guile))
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(proc))
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#:system system)))
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`(argument . ,drv)))
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((? gexp? gexp)
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(let ((drv (run-with-store store
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(mbegin %store-monad
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(set-guile-for-build (default-guile))
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(gexp->derivation "gexp" gexp
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#:system system)))))
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`(argument . ,drv)))))
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(opt opt))
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opts))
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(define (options/with-source store opts)
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"Process with 'with-source' options in OPTS, replacing the relevant package
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arguments with packages that use the specified source."
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(define new-sources
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(filter-map (match-lambda
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(('with-source . uri)
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(cons (package-name->name+version (basename uri))
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uri))
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(_ #f))
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opts))
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(let loop ((opts opts)
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(sources new-sources)
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(result '()))
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(match opts
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(()
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(unless (null? sources)
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(warning (_ "sources do not match any package:~{ ~a~}~%")
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(match sources
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(((name . uri) ...)
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uri))))
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(reverse result))
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((('argument . (? package? p)) tail ...)
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(let ((source (assoc-ref sources (package-name p))))
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(loop tail
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(alist-delete (package-name p) sources)
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(alist-cons 'argument
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(if source
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(package-with-source store p source)
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p)
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result))))
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((('with-source . _) tail ...)
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(loop tail sources result))
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((head tail ...)
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(loop tail sources (cons head result))))))
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;;;
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;;; Entry point.
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;;;
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(define (guix-build . args)
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(with-error-handling
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;; Ask for absolute file names so that .drv file names passed from the
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;; user to 'read-derivation' are absolute when it returns.
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(with-fluids ((%file-port-name-canonicalization 'absolute))
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(let* ((opts (parse-command-line args %options
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(list %default-options)))
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(store (open-connection))
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(drv (options->derivations store opts))
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(roots (filter-map (match-lambda
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(('gc-root . root) root)
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(_ #f))
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opts)))
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(set-build-options-from-command-line store opts)
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(unless (assoc-ref opts 'log-file?)
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(show-what-to-build store drv
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#:use-substitutes? (assoc-ref opts 'substitutes?)
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#:dry-run? (assoc-ref opts 'dry-run?)))
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(cond ((assoc-ref opts 'log-file?)
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(for-each (lambda (file)
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(let ((log (log-file store file)))
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(if log
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(format #t "~a~%" log)
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(leave (_ "no build log for '~a'~%")
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file))))
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(delete-duplicates
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(append (map derivation-file-name drv)
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(filter-map (match-lambda
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(('argument
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. (? store-path? file))
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file)
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(_ #f))
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opts)))))
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((assoc-ref opts 'derivations-only?)
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(format #t "~{~a~%~}" (map derivation-file-name drv))
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(for-each (cut register-root store <> <>)
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(map (compose list derivation-file-name) drv)
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roots))
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((not (assoc-ref opts 'dry-run?))
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(and (build-derivations store drv)
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(for-each (lambda (d)
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(format #t "~{~a~%~}"
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(map (match-lambda
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((out-name . out)
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(derivation->output-path
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d out-name)))
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(derivation-outputs d))))
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drv)
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(for-each (cut register-root store <> <>)
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(map (lambda (drv)
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(map cdr
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(derivation->output-paths drv)))
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drv)
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roots))))))))
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